<template>
    <div class="login_container">
        <div class="login_box">
            <div class="avatar_box">
                <img src="../assets/logo.png" alt="">
            </div>
            <!-- biaodan -->
            <el-form label-width="0px" class="login_form" :model="form" :rules="rules" ref="loginFormRef">
                <!-- 用户名 -->
                <el-form-item prop="username">
                    <el-input prefix-icon="el-icon-user-solid" v-model="form.username"></el-input>
                </el-form-item>
                <!-- 密码 -->
                <el-form-item prop="password">
                    <el-input type="password" prefix-icon="el-icon-lock" v-model="form.password"></el-input>
                </el-form-item>
                <!-- 按钮区域 -->
                <el-form-item class="btns">
                   <el-button type="primary" @click="login">登录</el-button>
                   <el-button type="info" @click="restLoginForm">重置</el-button>
                </el-form-item>
            </el-form>
        </div>

    </div>
</template>

<script>
export default {
    data(){
        return {
            form:{
                username:'admin',
                password:'123456'
            },
            rules:{
                username:[
                    { required: true, message: '请输入用户名', trigger: 'blur' },
                    { min:3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
                ],
                password:[
                    { required: true, message: '请输入密码', trigger: 'blur' },
                    { min:6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }
                ]
            }
        }
    },
    methods:{
        restLoginForm(){
            // console.log(this)
            this.$refs.loginFormRef.resetFields();
        },
        login(){
            this.$refs.loginFormRef.validate(
                valid=>{
                    // console.log(valid)
                    if (!valid) return;
                    this.$http.post('login',this.form).then((data)=>{
                        // console.log(data.data)
                        if(data.data.meta.status !== 200){
                            return this.$message.error('登录失败')
                        }
                        this.$message.success('登录成功')
                        let res = data.data;
                        window.sessionStorage.setItem("token",res.data.token);
                        this.$router.push('/home')
                    })
                }
            )
        }
    }
}
</script>

<style lang="less" scoped>
    .login_container{
        background-color: #2b4b6b;
        height: 100%;
    }
    .login_box{
        width: 450px;
        height: 300px;
        background-color: #fff;
        border-radius: 3px;
        position: absolute;
        left: 50%;
        top: 50%;
        transform: translate(-50%, -50%);
    }
    .avatar_box{
        width: 130px;
        height: 130px;
        border: 1px solid #eee;
        border-radius: 50%;
        padding: 10px;
        box-shadow: 0 0 10px #ddd;
        position: absolute;
        left: 50%;
        transform: translate(-50%, -50%);
        background-color: #fff;
        img{
            width: 100%;
            height: 100%;
            border-radius: 50%;
            background-color: #eee;
        }
    }
    .btns{
        display: flex;
        justify-content: flex-end;
    }
    .login_form{
        position: absolute;
        bottom: 0;
        width: 100%;
        padding: 0 20px;
        box-sizing: border-box;
    }
</style>